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<title>Luminance HDR User Manual — Tonemapping operators reference — Reinard'02</title>
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<h2>Reinhard'02</h2>

The implementation of the Reinhard tone mapping operator as described in:
<P>
Photographic Tone Reproduction for Digital Images.
E. Reinhard, M. Stark, P. Shirley, and J. Ferwerda.
In ACM Transactions on Graphics, 2002.
<P>
According to the paper, results of this TMO require gamma correction.

<H3>OPTIONS</H3>
<DL COMPACT>
<DT><B>Key Value</B><DD>
<P>
Set key value for the image (refer to paper for details).
Default value: 0.18, accepted range &lt;0..1&gt;.
<DT><B>Phi Value</B><DD>
<P>
Set phi value (refer to paper for details).
Default value: 1.0, accepted range &gt;=0.0.
<DT><B>Use Scales</B><DD>
<P>
Use scales to calculate local adaptation. That means: use local
version of this operator. By default, global version is used.
<DT><B>Range</B><DD>
<P>
Set range size (refer to paper for details).
Default value: 8, accepted range &gt;1.
<DT><B>Lower Scale</B><DD>
<P>
Set lower scale size (refer to paper for details).
Default value: 1, accepted range &gt;=1.
<DT><B>Upper Scale</B><DD>
<P>
Set upper scale size (refer to paper for details).
Default value: 43, accepted range &gt;=1.

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